import cv2
image=cv2.imread("figure.png")
cv2.imshow("BGR",image)
b,g,r=cv2.split(image)
bgr_merge=cv2.merge([b,g,r])
cv2.imshow("BGR_Merge",bgr_merge)
rgb_merge=cv2.merge([r,g,b])
cv2.imshow("RGB_Merge",rgb_merge)
cv2.waitKey()
cv2.destroyAllWindows()